Heater fan



FIG. 1 is an isometric view of the heater fan showing my new design;

FIG. 2 is a front elevational view of my new design;

FIG. 3 is a left side elevational view of my new design;

FIG. 4 is a right side elevational view of my new design;

FIG. 5 is a rear elevational view of my new design;

FIG. 6 is a top plan view of my new design; and,

FIG. 7 is a bottom plan view of my new design. 

The ornamental design for the heater fan, as shown and described. 